| 2025 |
| 07/10 | 999 | 1,000 | 985 | 990 | -0.8% | 472,800 | 1685億1269万 | +3.02% |
| 07/09 | 996 | 999 | 983 | 998 | +0.91% | 412,400 | 1698億7441万 | +4.07% |
| 07/08 | 972 | 994 | 968 | 989 | +1.54% | 575,500 | 1683億4247万 | +3.24% |
| 07/07 | 984 | 987 | 971 | 974 | -1.02% | 391,800 | 1657億8925万 | +1.88% |
| 07/04 | 990 | 1,001 | 982 | 984 | +0.51% | 514,500 | 1674億9140万 | +3.04% |
| 07/03 | 970 | 983 | 970 | 979 | +0.93% | 446,300 | 1666億4033万 | +2.62% |
| 07/02 | 974 | 977 | 966 | 970 | -0.51% | 451,600 | 1651億839万 | +1.89% |
| 07/01 | 975 | 989 | 975 | 975 | 0% | 629,800 | 1659億5947万 | +2.63% |
| 06/30 | 981 | 989 | 975 | 975 | -1.02% | 629,200 | 1659億5947万 | +2.85% |
| 06/27 | 980 | 1,001 | 976 | 985 | +1.97% | 1,063,200 | 1676億6162万 | +4.12% |
| 06/26 | 966 | 970 | 958 | 966 | +1.47% | 761,700 | 1644億2753万 | +2.44% |
| 06/25 | 950 | 960 | 946 | 952 | +0.63% | 492,300 | 1620億4453万 | +1.28% |
| 06/24 | 960 | 966 | 946 | 946 | +0.75% | 628,700 | 1610億2324万 | +0.85% |
| 06/23 | 943 | 954 | 932 | 939 | -0.32% | 783,700 | 1598億3173万 | +0.21% |
| 06/20 | 946 | 952 | 942 | 942 | -0.42% | 976,200 | 1603億4238万 | +0.64% |
| 06/19 | 965 | 967 | 946 | 946 | -2.17% | 273,000 | 1610億2324万 | +1.07% |
| 06/18 | 961 | 968 | 957 | 967 | +1.04% | 349,400 | 1645億9775万 | +3.42% |
| 06/17 | 958 | 967 | 954 | 957 | -0.1% | 466,800 | 1628億9560万 | +2.46% |
| 06/16 | 960 | 970 | 957 | 958 | 0% | 392,400 | 1630億6581万 | +2.79% |
| 06/13 | 974 | 981 | 952 | 958 | -1.03% | 770,700 | 1630億6581万 | +2.79% |
| 06/12 | 929 | 969 | 929 | 968 | +4.42% | 978,000 | 1647億6796万 | +3.97% |
| 06/11 | 928 | 939 | 920 | 927 | +0.98% | 743,200 | 1577億8915万 | -0.22% |
| 06/10 | 921 | 930 | 913 | 918 | -0.11% | 647,200 | 1562億5722万 | -1.18% |
| 06/09 | 942 | 942 | 916 | 919 | -2.75% | 740,600 | 1564億2744万 | -1.08% |
| 06/06 | 943 | 947 | 938 | 945 | 0% | 262,900 | 1608億5302万 | +1.72% |
| 06/05 | 953 | 957 | 945 | 945 | -1.66% | 356,400 | 1608億5302万 | +1.83% |
| 06/04 | 948 | 963 | 945 | 961 | +1.37% | 389,900 | 1635億7646万 | +3.67% |
| 06/03 | 958 | 966 | 945 | 948 | 0% | 449,400 | 1613億6367万 | +2.6% |
| 06/02 | 944 | 957 | 943 | 948 | +0.32% | 456,900 | 1613億6367万 | +2.82% |
| 05/30 | 923 | 950 | 922 | 945 | +1.07% | 450,800 | 1608億5302万 | +2.83% |
| 05/29 | 925 | 938 | 924 | 935 | +0.97% | 355,000 | 1591億5087万 | +2.19% |
| 05/28 | 932 | 934 | 925 | 926 | +0.33% | 280,500 | 1576億1894万 | +1.54% |
| 05/27 | 917 | 925 | 910 | 923 | +0.22% | 426,900 | 1571億830万 | +1.54% |
| 05/26 | 902 | 932 | 902 | 921 | +1.77% | 478,200 | 1567億6787万 | +1.77% |
| 05/23 | 908 | 914 | 900 | 905 | +0.33% | 365,900 | 1540億4443万 | +0.33% |
| 05/22 | 908 | 913 | 897 | 902 | -1.1% | 508,400 | 1535億3378万 | +0.33% |
| 05/21 | 910 | 923 | 910 | 912 | -0.33% | 452,300 | 1552億3593万 | +1.67% |
| 05/20 | （IR情報）15:30 定款の一部変更に関するお知らせ |
| 05/20 | 928 | 940 | 915 | 915 | -0.54% | 517,600 | 1557億4658万 | +2.46% |
| 05/19 | 910 | 923 | 909 | 920 | 0% | 407,000 | 1565億9765万 | +3.37% |
| 05/16 | 937 | 939 | 919 | 920 | -2.23% | 524,200 | 1565億9765万 | +3.95% |
| 05/15 | 920 | 945 | 912 | 941 | +1.4% | 1,280,200 | 1601億7216万 | +6.81% |
| 05/14 | 920 | 932 | 905 | 928 | +1.42% | 906,100 | 1579億5937万 | +6.18% |
| 05/13 | 922 | 947 | 908 | 915 | -3.68% | 1,339,200 | 1557億4658万 | +5.17% |
| 05/12 | （IR情報）15:30 剰余金の配当に関するお知らせ |
| 05/12 | （IR情報）15:30 特別損失の計上に関するお知らせ |
| 05/12 | （IR情報）15:30 個別業績の前期実績値との差異に関するお知らせ |
| 05/12 | （IR情報）15:30 2025年3月期決算短信〔日本基準〕(連結) |
| 05/12 | 945 | 950 | 937 | 950 | +1.06% | 589,600 | 1617億410万 | +9.32% |
| 05/09 | 936 | 944 | 930 | 940 | +1.62% | 628,500 | 1600億195万 | +8.42% |
| 05/08 | 920 | 925 | 914 | 925 | +0.76% | 446,800 | 1574億4872万 | +6.94% |
| 05/07 | 920 | 930 | 918 | 918 | -0.86% | 800,800 | 1562億5722万 | +6.13% |
| 05/02 | 919 | 929 | 918 | 926 | +0.87% | 516,000 | 1576億1894万 | +6.93% |
| 05/01 | 911 | 922 | 910 | 918 | +0.44% | 384,900 | 1562億5722万 | +5.76% |
| 04/30 | （IR情報）15:30 (開示事項の経過)当社グループにおける舶用エンジン事業以外の事業に関する不適切行為について |
| 04/30 | （IR情報）15:30 (開示事項の経過)再発防止策に関するお知らせ(舶用エンジン事業以外の事業について) |
| 04/30 | （IR情報）15:30 (開示事項の経過)役員の処分等について |
| 04/30 | 914 | 921 | 909 | 914 | +0.66% | 430,800 | 1555億7636万 | +5.06% |
| 04/28 | 910 | 916 | 903 | 908 | +1% | 438,400 | 1545億5507万 | +4.25% |
| 04/25 | 889 | 903 | 885 | 899 | +1.47% | 633,200 | 1530億2314万 | +2.86% |
| 04/24 | 886 | 893 | 880 | 886 | +1.14% | 503,700 | 1508億1035万 | +1.03% |
| 04/23 | 885 | 886 | 873 | 876 | +2.1% | 408,300 | 1491億820万 | -0.57% |
| 04/22 | （5%ルール）ノムラインターナショナルピーエルシー(NOMURA IN…（0.39%）野村アセットマネジメント（4.33%）野村證券（0.34%） |
| 04/22 | 850 | 862 | 849 | 858 | +1.66% | 451,700 | 1460億4433万 | -3.05% |
| 04/21 | 851 | 855 | 844 | 844 | -0.71% | 274,800 | 1436億6132万 | -5.06% |
| 04/18 | 840 | 852 | 840 | 850 | +1.19% | 294,100 | 1446億8261万 | -4.92% |
| 04/17 | 832 | 845 | 826 | 840 | +1.33% | 238,600 | 1429億8046万 | -6.46% |
| 04/16 | 841 | 841 | 821 | 829 | -1.43% | 447,800 | 1411億810万 | -8.09% |
| 04/15 | 855 | 858 | 837 | 841 | -0.12% | 445,200 | 1431億5068万 | -7.17% |
| 04/14 | 835 | 855 | 829 | 842 | +1.94% | 477,800 | 1433億2089万 | -7.47% |
| 04/11 | 806 | 830 | 794 | 826 | -2.59% | 504,800 | 1405億9746万 | -9.53% |
| 04/10 | 867 | 867 | 834 | 848 | +7.75% | 875,200 | 1443億4218万 | -7.73% |
| 04/09 | 786 | 799 | 774 | 787 | -2.96% | 778,000 | 1339億5908万 | -14.55% |
| 04/08 | 803 | 832 | 803 | 811 | +4.92% | 657,400 | 1380億4423万 | -12.51% |
| 04/07 | 755 | 786 | 749 | 773 | -7.76% | 1,066,200 | 1315億7607万 | -16.97% |
| 04/04 | 840 | 861 | 821 | 838 | -3.46% | 1,033,200 | 1426億4003万 | -10.57% |
| 04/03 | 866 | 878 | 855 | 868 | -3.88% | 913,400 | 1477億4648万 | -7.66% |
| 04/02 | 916 | 922 | 892 | 903 | -0.55% | 666,200 | 1537億400万 | -3.94% |
| 04/01 | 925 | 930 | 907 | 908 | -0.77% | 541,300 | 1545億5507万 | -3.4% |
| 03/31 | 912 | 922 | 894 | 915 | -2.66% | 1,030,400 | 1557億4658万 | -2.76% |
| 03/28 | 936 | 942 | 930 | 940 | -2.79% | 669,400 | 1600億195万 | -0.11% |
| 03/27 | （IR情報）15:30 (訂正)「(開示事項の経過)当社グループにおける舶用エンジン事業に関する不適切行為について」の一部訂正について |
| 03/27 | 955 | 967 | 952 | 967 | -0.21% | 574,700 | 1645億9775万 | +2.65% |
| 03/26 | （IR情報）15:30 (開示事項の変更)連結子会社の異動を伴う株式譲渡及び連結子会社の一部事業譲渡のお知らせ |
| 03/26 | 968 | 976 | 958 | 969 | +0.94% | 686,800 | 1649億3818万 | +2.76% |
| 03/25 | （IR情報）15:30 (開示事項の経過)当社グループにおける舶用エンジン事業に関する不適切行為について |
| 03/25 | （IR情報）15:30 (開示事項の経過)再発防止策に関するお知らせ |
| 03/25 | （IR情報）15:30 役員の異動に関するお知らせ |
| 03/25 | 967 | 968 | 957 | 960 | -1.03% | 547,000 | 1634億624万 | +2.13% |
| 03/24 | 967 | 970 | 954 | 970 | +0.1% | 462,500 | 1651億839万 | +3.3% |
| 03/21 | 978 | 988 | 969 | 969 | -1.72% | 966,800 | 1649億3818万 | +3.3% |
| 03/19 | 972 | 988 | 972 | 986 | +1.54% | 454,300 | 1678億3183万 | +5.34% |
| 03/18 | 974 | 977 | 966 | 971 | +0.21% | 571,400 | 1652億7861万 | +3.96% |
| 03/17 | 970 | 978 | 968 | 969 | +0.31% | 397,200 | 1649億3818万 | +3.86% |
| 03/14 | 951 | 966 | 950 | 966 | +1.58% | 517,700 | 1644億2753万 | +3.54% |
| 03/13 | 940 | 955 | 939 | 951 | +0.53% | 485,400 | 1618億7431万 | +1.49% |
| 03/12 | 917 | 946 | 917 | 946 | +1.61% | 752,300 | 1610億2324万 | +0.53% |
| 03/11 | 918 | 931 | 912 | 931 | -0.21% | 784,000 | 1584億7001万 | -1.38% |
| 03/10 | 939 | 940 | 922 | 933 | +0.11% | 639,600 | 1588億1044万 | -1.79% |
| 03/07 | （5%ルール）レオス・キャピタルワークス（5.19%） |
| 03/07 | 942 | 951 | 932 | 932 | -2.61% | 689,000 | 1586億4023万 | -2.41% |
| 03/06 | 940 | 993 | 931 | 957 | +4.82% | 2,080,500 | 1628億9560万 | -0.31% |
| 03/05 | 910 | 928 | 908 | 913 | -0.44% | 901,000 | 1554億615万 | -5.29% |
| 03/04 | （IR情報）15:30 (訂正)「当社向島工場での橋梁等の製作における溶接作業者の資格不備について」の一部訂正について |
| 03/04 | 929 | 933 | 911 | 917 | -1.29% | 427,600 | 1560億8701万 | -5.46% |
| 03/03 | 918 | 937 | 916 | 929 | +2.2% | 546,900 | 1581億2958万 | -4.72% |
| 02/28 | 915 | 924 | 906 | 909 | -0.44% | 625,000 | 1547億2529万 | -7.06% |
| 02/27 | （IR情報）12:30 (差替)「当社向島工場での橋梁等の製作における溶接作業者の資格不備について」の差替について |
| 02/27 | 889 | 916 | 887 | 913 | +3.4% | 655,300 | 1554億615万 | -6.93% |
| 02/26 | 888 | 899 | 866 | 883 | -1.12% | 1,177,000 | 1502億9970万 | -10.26% |
| 02/26 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 849,606株（0.49%）-0.04%義務消失 |
| 02/25 | 910 | 911 | 893 | 893 | -3.46% | 972,700 | 1520億185万 | -9.71% |
| 02/25 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 903,806株（0.53%）再IN |
| 02/21 | （IR情報）15:30 当社向島工場での橋梁等の製作における溶接作業者の資格不備について |
| 02/21 | 925 | 933 | 913 | 925 | -1.18% | 994,700 | 1574億4872万 | -6.75% |
| 02/20 | 960 | 965 | 936 | 936 | -3.01% | 709,800 | 1593億2109万 | -5.84% |
| 02/19 | 972 | 972 | 943 | 965 | -1.13% | 959,200 | 1642億5732万 | -3.11% |
| 02/18 | 916 | 989 | 912 | 976 | +7.61% | 1,589,400 | 1661億2968万 | -2.01% |
| 02/18 | （空売り報告）Integrated Core Strategies (Asia) Pte. Ltd. 148,500株（0.08%）-0.48%義務消失 |
| 02/17 | 930 | 935 | 907 | 907 | -2.58% | 701,900 | 1543億8486万 | -8.94% |
| 02/14 | 940 | 945 | 925 | 931 | 0% | 933,000 | 1584億7001万 | -6.71% |
| 02/12 | （空売り報告）Integrated Core Strategies (Asia) Pte. Ltd. 955,880株（0.56%）-0.1% |
| 02/07 | （5%ルール）みずほ証券（0.15%）アセットマネジメントOne（4.95%） |
